From: Adhemerval Zanella Date: Fri, 13 Dec 2013 19:50:26 +0000 (-0500) Subject: PowerPC: multiarch strchrnul for PowerPC64 X-Git-Tag: glibc-2.19~305 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9ee2969b057862443b81789b56a61514edf34779;p=thirdparty%2Fglibc.git PowerPC: multiarch strchrnul for PowerPC64 --- diff --git a/ChangeLog b/ChangeLog index afd151f2ef1..5808cf6a8ee 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,14 @@ +2013-12-13 Adhemerval Zanella + + * sysdeps/powerpc/powerpc64/multiarch/Makefile: Add strchrnul + multiarch implementations. + * sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c + (__libc_ifunc_impl_list): Likewise. + * sysdeps/powerpc/powerpc64/multiarch/strchrnul-power7.S: New file. + * sysdeps/powerpc/powerpc64/multiarch/strchrnul-ppc64.c: New file. + * sysdeps/powerpc/powerpc64/multiarch/strchrnul.c: New file: + multiarch strchrnul for PPC64. + 2013-12-13 Adhemerval Zanella * sysdeps/powerpc/powerpc64/multiarch/Makefile: Add strchr multiarch diff --git a/sysdeps/powerpc/powerpc64/multiarch/Makefile b/sysdeps/powerpc/powerpc64/multiarch/Makefile index 2de18dd3b89..796d507e5bd 100644 --- a/sysdeps/powerpc/powerpc64/multiarch/Makefile +++ b/sysdeps/powerpc/powerpc64/multiarch/Makefile @@ -8,7 +8,8 @@ sysdep_routines += memcpy-power7 memcpy-a2 memcpy-power6 memcpy-cell \ rawmemchr-ppc64 strlen-power7 strlen-ppc64 strnlen-power7 \ strnlen-ppc64 strcasecmp-power7 strcasecmp_l-power7 \ strncase-power7 strncase_l-power7 strncmp-power7 \ - strncmp-power4 strncmp-ppc64 strchr-power7 strchr-ppc64 + strncmp-power4 strncmp-ppc64 strchr-power7 strchr-ppc64 \ + strchrnul-power7 strchrnul-ppc64 CFLAGS-strncase-power7.c += -mcpu=power7 -funroll-loops CFLAGS-strncase_l-power7.c += -mcpu=power7 -funroll-loops diff --git a/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c b/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c index a0294883d40..1b7479d947b 100644 --- a/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c +++ b/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c @@ -94,6 +94,14 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array, __strchr_power7) IFUNC_IMPL_ADD (array, i, strchr, 1, __strchr_ppc)) + + /* Support sysdeps/powerpc/powerpc64/multiarch/strchrnul.c. */ + IFUNC_IMPL (i, name, strchrnul, + IFUNC_IMPL_ADD (array, i, strchrnul, + hwcap & PPC_FEATURE_HAS_VSX, + __strchrnul_power7) + IFUNC_IMPL_ADD (array, i, strchrnul, 1, + __strchrnul_ppc)) #endif /* Support sysdeps/powerpc/powerpc64/multiarch/memcmp.c. */ diff --git a/sysdeps/powerpc/powerpc64/multiarch/strchrnul-power7.S b/sysdeps/powerpc/powerpc64/multiarch/strchrnul-power7.S new file mode 100644 index 00000000000..9454b0ca290 --- /dev/null +++ b/sysdeps/powerpc/powerpc64/multiarch/strchrnul-power7.S @@ -0,0 +1,39 @@ +/* Optimized strchrnul implementation for POWER7. + Copyright (C) 2013 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + . */ + +#include + +#undef ENTRY +#define ENTRY(name) \ + .section ".text"; \ + ENTRY_2(__strchrnul_power7) \ + .align ALIGNARG(2); \ + BODY_LABEL(__strchrnul_power7): \ + cfi_startproc; \ + LOCALENTRY(__strchrnul_power7) + +#undef END +#define END(name) \ + cfi_endproc; \ + TRACEBACK(__strchrnul_power7) \ + END_2(__strchrnul_power7) + +#undef libc_hidden_builtin_def +#define libc_hidden_builtin_def(name) + +#include diff --git a/sysdeps/powerpc/powerpc64/multiarch/strchrnul-ppc64.c b/sysdeps/powerpc/powerpc64/multiarch/strchrnul-ppc64.c new file mode 100644 index 00000000000..7172ddf04a7 --- /dev/null +++ b/sysdeps/powerpc/powerpc64/multiarch/strchrnul-ppc64.c @@ -0,0 +1,19 @@ +/* PowerPC64 default implementation of strchrnul. + Copyright (C) 2013 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + . */ + +#include diff --git a/sysdeps/powerpc/powerpc64/multiarch/strchrnul.c b/sysdeps/powerpc/powerpc64/multiarch/strchrnul.c new file mode 100644 index 00000000000..95138580d86 --- /dev/null +++ b/sysdeps/powerpc/powerpc64/multiarch/strchrnul.c @@ -0,0 +1,37 @@ +/* Multiple versions of strchrnul. + Copyright (C) 2013 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + . */ + +#ifndef NOT_IN_libc +# include +# include +# include "init-arch.h" + +extern __typeof (__strchrnul) __strchrnul_ppc attribute_hidden; +extern __typeof (__strchrnul) __strchrnul_power7 attribute_hidden; + +/* Avoid DWARF definition DIE on ifunc symbol so that GDB can handle + ifunc symbol properly. */ +libc_ifunc (__strchrnul, + (hwcap & PPC_FEATURE_HAS_VSX) + ? __strchrnul_power7 + : __strchrnul_ppc); + +weak_alias (__strchrnul, strchrnul) +#else +#include +#endif